Home / 28,898.70-43,339.41-15,040.14

Finding the Fourth Proportional to 28,898.70, 43,339.41 and 15,040.14

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Solution

The fourth proportional to 28,898.70, 43,339.41 and 15,040.14 is: 22,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.70 : 43,339.41 = 15,040.14 : x
  2. Step 2: Convert to fraction form
    28,898.70/43,339.41 = 15,040.14/x
  3. Step 3: Cross multiply
    28,898.70x = 43,339.41 × 15,040.14
  4. Step 4: Simplify right side
    28,898.70x = 651,830,793.92
  5. Step 5: Solve for x
    x = 651,830,793.92/28,898.70
  6. Step 6: Final answer
    x = 22,555.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.